# Positive test: product of type promotion within the xsd:decimal type tree.
# $Id: tP-double-double.rq,v 1.2 2006/01/15 00:43:32 eric Exp $

PREFIX t: <http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
ASK
 WHERE { t:double1 rdf:value ?l .
         t:double1 rdf:value ?r .
         FILTER ( datatype(?l + ?r) = xsd:double ) }